Support column



FIG. 1 is a cross-section view of a support column;

FIG. 2 is top view of the design;

FIG. 3 is left side view of the design;

FIG. 4 is a right side view of the design;

FIG. 5 is a front view of the design;

FIG. 6 is a back view of the design; and,

FIG. 7 is a perspective view of the design.

CLAIM The ornamental design of a support column, as shown and described.